ProCamera: Add getInfo for getting static metadata (and a test)

Change-Id: I3b87dfbc621d98bf41f37a892a1012baf85b5166
diff --git a/services/camera/libcameraservice/ProCamera2Client.h b/services/camera/libcameraservice/ProCamera2Client.h
index dfea1e1..cd0a2ae 100644
--- a/services/camera/libcameraservice/ProCamera2Client.h
+++ b/services/camera/libcameraservice/ProCamera2Client.h
@@ -65,6 +65,11 @@
                                                /*out*/
                                                camera_metadata** request);
 
+    // Get the static metadata for the camera
+    // -- Caller owns the newly allocated metadata
+    virtual status_t      getCameraInfo(int cameraId,
+                                        /*out*/
+                                        camera_metadata** info);
 
     /**
      * Interface used by CameraService